People visit the Yuhuatai memorial park of martyrs in Nanjing, east China's Jiangsu Province, April 5, 2026. People across the country attended various activities to pay tribute to martyrs during the Qingming Festival, or Tomb-Sweeping Day, on Sunday this year. (Photo by Liu Jianhua/Xinhua)

People pay tribute to martyrs at a martyrs' cemetery in Anshun City, southwest China's Guizhou Province, April 5, 2026. People across the country attended various activities to pay tribute to martyrs during the Qingming Festival, or Tomb-Sweeping Day, on Sunday this year. (Photo by Chen Xi/Xinhua)

An aerial drone photo taken on April 5, 2026 shows people paying tribute to martyrs at a martyrs' cemetery in Wuhan, central China's Hubei Province. People across the country attended various activities to pay tribute to martyrs during the Qingming Festival, or Tomb-Sweeping Day, on Sunday this year. (Photo by Zhao Jun/Xinhua)